300 Island Drive, Key Biscayne, FL 33149
Single family property built in 1996 with 7,892 sq ft of living area on a 0.42-acre lot in Key Biscayne, Miami-Dade County. Facts below come from the county property appraiser's public record.
County just value (tax roll) — not a market value
$10,141,294
County assessed value (tax roll)
$5,509,793
Living area
7,892 sq ft
Lot size
0.42 acres (18,125 sq ft)
Year built
1996
Land use
Single family
FEMA flood zone
Not on file yet
County
Miami-Dade County, FL
Parcel ID
fl-23-2452050110020
At a glance
- Who owns 300 Island Dr?
- Miami-Dade County property records list DOLORES LOSCIALE as the owner of record.
- What is the county just value of 300 Island Dr?
- $10,141,294 on the Miami-Dade County tax roll (as of January 1). Just value is the property appraiser's figure for property taxes — not a market value.
- What is the parcel ID?
- fl-23-2452050110020 (Miami-Dade County).
Current owner
- DOLORES LOSCIALE
Owner contact info
Phones, emails and mailing addresses from public Florida records are available to members.
See plansMore on Island Dr
- 240 Island Dr $6.8M · built 1962
- 241 Island Dr $3.5M · built 1967
- 250 Island Dr $6.8M · built 1962
- 251 Island Dr $3.5M · built 1965
- 260 Island Dr $8.5M · built 2004
- 261 Island Dr $3.7M · built 1968
- 270 Island Dr $7.4M · built 1964
- 271 Island Dr $3.6M · built 1967
- 280 Island Dr $8.2M · built 1960
- 281 Island Dr $3.6M · built 1969
- 301 Island Dr $5M · built 2017
- 310 Island Dr $8.6M · built 2023
- 311 Island Dr $3.6M · built 1972
- 320 Island Dr $7.4M · built 2002
- 321 Island Dr $3.1M
- 331 Island Dr $3.5M · built 1964
- 341 Island Dr $3.4M · built 1964
- 350 Island Dr $8.3M · built 1983
- 390 Island Dr $6.9M · built 1996
- 400 Island Dr $6.4M · built 1979
All 63 properties on Island Dr · ZIP 33149 (Key Biscayne). Values are county just values (tax roll), not market values.
Nearby properties
- 280 Island Dr, Key Biscayne $8.2M · built 1960
- 301 Island Dr, Key Biscayne $5M · built 2017
- 311 Island Dr, Key Biscayne $3.6M · built 1972
- 310 Island Dr, Key Biscayne $8.6M · built 2023
- 281 Island Dr, Key Biscayne $3.6M · built 1969
- 224 W Mashta Dr, Key Biscayne $2.2M · built 1951
- 321 Island Dr, Key Biscayne $3.1M
- 212 W Mashta Dr, Key Biscayne $2.4M · built 1951
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Source: Florida Department of Revenue parcel roll; data refreshed Jun 25, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources